Papermachine clothing

Details Papermachine clothing Papermachine clothing

D - Textiles, Paper

21

F

D21F 7/08 (2006.01)

Patent

CA 2425578

Papermachine clothing comprising a woven or non-woven support layer 4, a non- woven layer 6 comprising ultra-coarse non-continuous fibres orientated close to the intented running directions of the cloting and two firther layers of batt 8, 10 each comprising conventional somewhat finer staple fibres predominantly aligned close to the cross-machine direction. The ultra-coarse non-continuous fibre layer 6 may comprise two such layers, one of which 6a is biased at an opposite angle B to the running direction X to provide a layer 6 whose fibres whilst being substantially orientated in the machine direction also have a bi-axial construction with a cross-orientation.

L'invention concerne un habillage pour machine à papier comprenant un couche de support tissée ou non tissée (4), une couche non tissée (6) constituée de fibres grossières non continues dont l'orientation est proche du sens machine voulu de l'habillage et deux autres couches fibreuses (8, 10) comprenant chacune des fibres brutes classique sensiblement plus fines alignées surtout proche de sens travers. La couche constituée de fibres grossières non continues (6) peut comprendre deux de ces couches, l'une (6a) étant orientée selon un angle A par rapport au sens machine X de l'habillage, l'autre (6b) étant orientée selon un angle opposé B au sens machine X afin de produire une couche (6) dont les fibres bien qu'orientées sensiblement dans le sens machine possèdent une construction biaxiale orientée dans le sens travers.

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